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      Eficiência do reator seqüencial em batelada (RSB) na remoção de nitrogênio no tratamento de esgoto doméstico com DQO baixa Translated title: The sequencing batch reactor (SBR) efficiency in the removal of nitrogen on the treatment of domestic sewage with low COD

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          Abstract

          Este trabalho tem como objetivo avaliar a eficiência e a estabilidade do RSB na remoção de nitrogênio no tratamento de esgoto doméstico com DQO baixa. O reator utilizado no experimento possui volume de trabalho de 600 L e trata 1200 L/d de esgoto bruto em três bateladas de oito horas. A partir dos dados obtidos na pesquisa, observou-se que o reator seqüencial em batelada possibilitou a remoção média de nitrogênio total igual a 88 % no tratamento de esgoto doméstico com DQO média de 257 mg/L. A remoção de DQO foi de 90 %, a média da alcalinidade total no efluente foi 72 mgCaCO3/L e o índice volumétrico de lodo médio ficou em 86 mL/g. Estes resultados indicam que é possível utilizar RSB para o tratamento de esgoto doméstico com matéria orgânica reduzida sem comprometer a qualidade do efluente, a remoção de nitrogênio e a estabilidade operacional do sistema.

          Translated abstract

          This work had the objective of evaluating the SBR efficiency and stability in the removal of nitrogen on the treatment of domestic sewage with low COD. The reactor used in the experiment has a working volume of 600 L, and treats 1200 L/d of raw sewage in three 8-hour cycles. From the data gathered during the research, it was realized that the SBR fostered an average removal of total nitrogen equal to 88% in the treatment of a domestic sewage with an average COD of 257 mg/L. The COD removal was 90%, the final effluent total alkalinity was 72 mgCaCO3/L, and the sludge volumetric index was 86 mL/g. The results indicate that is possible to use SBR for the treatment of domestic sewage with low organic matter without compromising the final effluent quality, the nitrogen removal ability, and the stability of the system.

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          Lodos Ativados

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            Adsorption of ammonium to activated sludge

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              O Comportamento do Sistema de Lodo Ativado: teoria e aplicações para projetos e operações

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                esa
                Engenharia Sanitaria e Ambiental
                Eng. Sanit. Ambient.
                Associação Brasileira de Engenharia Sanitária e Ambiental - ABES (Rio de Janeiro )
                1809-4457
                September 2004
                : 9
                : 3
                : 260-264
                Affiliations
                [1 ] The University of Leeds
                [2 ] Universidade Federal do Rio Grande do Sul Brazil
                [3 ] Universidade Federal da Paraíba Brazil
                [4 ] Centro Federal de Educação Tecnológica da Bahia
                [5 ] Universitat Politécnica de Catalunya
                Article
                S1413-41522004000300012
                10.1590/S1413-41522004000300012
                b3dc874c-4ca2-49e3-9be8-9e76672d4909

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1413-4152&lng=en
                Categories
                WATER RESOURCES

                Oceanography & Hydrology
                Sequencing batch reactor,SBR,nitrogen removal,denitrification,activated sludge,efficiency,Reator seqüencial em batelada,RSB,remoção de nitrogênio,desnitrificação,lodos ativados,eficiência

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